rs603985

This is a 3 prime utr variant variant in the FUT2 gene.

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GWAS Catalog Trait Associations (9)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

milk amount

Ambalavanan A et al. “Human milk oligosaccharides are associated with maternal genetics and respiratory health of human milk-fed children.” Nature Communications 15(1):7735 (2024)
Allele T
OR 27.85
p 1.0e-170
N 980
Small GWAS
multi-ancestry

triglyceride measurement, high density lipoprotein cholesterol measurement

Karjalainen MK et al. “Genome-wide characterization of circulating metabolic biomarkers.” Nature 628(8006):130-138 (2024)
Allele T
OR 0.03
p 5.0e-15
N 136,016
Large GWAS
multi-ancestry

lipid measurement, lipoprotein measurement

Richardson TG et al. “Characterising metabolomic signatures of lipid-modifying therapies through drug target mendelian randomisation.” Plos Biology 20(2):e3001547 (2022)
Allele T
OR 0.03
p 8.0e-14
N 115,082
Large GWAS
European

lipoprotein measurement, phospholipid level

Richardson TG et al. “Characterising metabolomic signatures of lipid-modifying therapies through drug target mendelian randomisation.” Plos Biology 20(2):e3001547 (2022)
Allele T
OR 0.03
p 1.0e-13
N 115,082
Large GWAS
European

triglycerides:total lipids ratio, high density lipoprotein cholesterol measurement

Karjalainen MK et al. “Genome-wide characterization of circulating metabolic biomarkers.” Nature 628(8006):130-138 (2024)
Allele T
OR 0.03
p 3.0e-13
N 136,016
Large GWAS
multi-ancestry

protein kinase C-binding protein NELL2 measurement

Loya H et al. “A scalable variational inference approach for increased mixed-model association power.” Nature Genetics 57(2):461-468 (2025)
Allele C
OR 0.03
p 1.0e-11
N 47,745
Large GWAS
European

choline measurement

Richardson TG et al. “Characterising metabolomic signatures of lipid-modifying therapies through drug target mendelian randomisation.” Plos Biology 20(2):e3001547 (2022)
Allele T
OR 0.03
p 2.0e-11
N 115,006
Large GWAS
European

phospholipid level

Richardson TG et al. “Characterising metabolomic signatures of lipid-modifying therapies through drug target mendelian randomisation.” Plos Biology 20(2):e3001547 (2022)
Allele T
OR 0.03
p 8.0e-11
N 115,006
Large GWAS
European

About FUT2

This gene is one of two encoding the galactoside 2-L-fucosyltransferase enzyme. The encoded protein is important for the final step in the soluble ABO blood group antigen synthesis pathway. It is also involved in cell-cell interaction, cell surface expression, and cell proliferation. Mutations in this gene are a cause of the H-Bombay blood group where red blood cells lack the H antigen. [provided by RefSeq, May 2022]

View all FUT2 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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